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# Meghana Dinesh

### Mindflow Technologies

2014년부터 활동

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질문

Find closest 8-connected chessboard distance between multiple pairs of points: shortest m-path
I am working on binary images. I have two sets of points: PNodes and FNodes. I want to find the closest PNode to each of the FNo...

5년 이하 전 | 답변 수: 1 | 0

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Function similar to bwconncomp, but on 3D point clouds.
Is there a MATLAB function which does this: _Given a 3D matrix (say, point cloud) two adjacent pixels should be connected if...

약 5년 전 | 답변 수: 0 | 0

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질문

Element by element (xor) operation on cells.
I have two variables, |Test| and |Train|. |Test| = |cell| of dimension |10 x 1| and |Train| = |cell| of dimension |20 x ...

5년 이상 전 | 답변 수: 1 | 0

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Eliminate all rows with '\N' element in a cell
This is a simple question, but I'm getting confused cuz of the different datatypes in cell I have Cell_A (attached). I want t...

6년 이하 전 | 답변 수: 1 | 0

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how to detect the value angle of rotation object ?
You can find the major axes of all the four objects. The direction of each of their major axis gives the angle of rotation.

6년 이상 전 | 0

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Starting a new line
Are you typing your code in the Command Window? Then use "..." and < enter > <</matlabcentral/answers/uploaded_files/48325/Un...

6년 이상 전 | 0

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I'm trying to simplify an expression or equation symbolically and I get the same error every time. Undefined function or variable 'x'.
What exactly is your command? It seems like you haven't told MATLAB what the value of |x| is. First, initialize a value for |x| ...

7년 이하 전 | 0

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hello guys, i have mat file < 15151x723 double > but i want this file with 3 columns only. after 15151 rows i want next 3 columns should come bellow that.same with next 3 columns ...hope you understand...
Have you tried using |reshape|? If a = [1 2 3 4 5 6 10 20 30 40 50 60 100 200 300 400 500 600 1000 2000 3000 4000 ...

7년 이하 전 | 0

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how can i replace white pixel (in binary image) with a color pixel of another image?
I do this all the time. This is what I do: |mask| is the binary image mask (2D) (converted to logical values). |rgbImg| is th...

약 7년 전 | 1

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How to have a contour with 4-connectivity?
Fill the image ( |imfill|). Use <http://in.mathworks.com/help/images/ref/bwboundaries.html |bwboundaries|> with |conn| = 4.

약 7년 전 | 0

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how to find pixels in donut slices
Do you mean the _intensity_ values of each pixel in an image? If so, use <http://in.mathworks.com/help/images/ref/imtool.html...

약 7년 전 | 0

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what does this error means-"Function definitions are not permitted at the prompt or in scripts."?
It means you are trying to define a function in the prompt or maybe within a different script. This is not permitted in MATLAB. ...

약 7년 전 | 0

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Save data to file with different array size
When you execute |A = [a b c d e];| don't you get an error? The dimensions of |a, b, c, d| & |e| aren't consistent. You cannot c...

약 7년 전 | 0

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Want to find a specific column of needed data
Have you tried using <http://in.mathworks.com/help/matlab/ref/ismember.html#btcnv44-12 |ismember|>? I believe you can use a comb...

약 7년 전 | 0

질문

Detect irregular dark spots in a gray scale image.
I require ideas to detect these kind of black spots in a gray scale image. <</matlabcentral/answers/uploaded_files/39748/Gra...

약 7년 전 | 답변 수: 1 | 0

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3D Point Cloud to 2D depth image
Use <http://in.mathworks.com/help/vision/ref/disparity.html |disparity|>.

약 7년 전 | 0

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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

약 7년 전

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Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

약 7년 전

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

약 7년 전

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

약 7년 전

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Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

약 7년 전

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

약 7년 전

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Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

약 7년 전

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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

약 7년 전

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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

약 7년 전

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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

약 7년 전

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Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

약 7년 전

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

약 7년 전

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Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

약 7년 전